From 3c466dfea4db91202ec397502f50d119e0d72d47 Mon Sep 17 00:00:00 2001
From: ChaiShushan <chaishushan@gmail.com>
Date: Mon, 25 Aug 2014 20:01:43 -0700
Subject: [PATCH] cmd/go: add missing doc for GOOS and GOARCH

LGTM=r
R=golang-codereviews, r
CC=golang-codereviews
https://golang.org/cl/133900043
---
 src/cmd/go/doc.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cmd/go/doc.go b/src/cmd/go/doc.go
index 19fe5cd3efa..0d4e2638919 100644
--- a/src/cmd/go/doc.go
+++ b/src/cmd/go/doc.go
@@ -250,6 +250,10 @@ quoted string appears a single argument to the generator.
 
 Go generate sets several variables when it runs the generator:
 
+	$GOARCH
+		The execution architecture (arm, amd64, etc.)
+	$GOOS
+		The execution operating system (linux, windows, etc.)
 	$GOFILE
 		The base name of the file.
 	$GOPACKAGE